| 1 | /**************************************************************************** | 
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| 2 | ** | 
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| 3 | ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). | 
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| 4 | ** All rights reserved. | 
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| 5 | ** Contact: Nokia Corporation (qt-info@nokia.com) | 
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| 6 | ** | 
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| 7 | ** This file is part of the documentation of the Qt Toolkit. | 
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| 8 | ** | 
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| 9 | ** $QT_BEGIN_LICENSE:BSD$ | 
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| 10 | ** You may use this file under the terms of the BSD license as follows: | 
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| 11 | ** | 
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| 12 | ** "Redistribution and use in source and binary forms, with or without | 
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| 13 | ** modification, are permitted provided that the following conditions are | 
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| 14 | ** met: | 
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| 15 | **   * Redistributions of source code must retain the above copyright | 
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| 16 | **     notice, this list of conditions and the following disclaimer. | 
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| 17 | **   * Redistributions in binary form must reproduce the above copyright | 
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| 18 | **     notice, this list of conditions and the following disclaimer in | 
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| 19 | **     the documentation and/or other materials provided with the | 
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| 20 | **     distribution. | 
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| 21 | **   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor | 
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| 22 | **     the names of its contributors may be used to endorse or promote | 
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| 23 | **     products derived from this software without specific prior written | 
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| 24 | **     permission. | 
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| 25 | ** | 
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| 26 | ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 
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| 27 | ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 
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| 28 | ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 
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| 29 | ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 
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| 30 | ** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 
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| 31 | ** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 
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| 32 | ** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 
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| 33 | ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 
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| 34 | ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 
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| 35 | ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 
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| 36 | ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." | 
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| 37 | ** $QT_END_LICENSE$ | 
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| 38 | ** | 
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| 39 | ****************************************************************************/ | 
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| 40 |  | 
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| 41 | #include <QtGui> | 
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| 42 |  | 
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| 43 | class CustomScene : public QGraphicsScene | 
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| 44 | { | 
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| 45 | public: | 
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| 46 | CustomScene() | 
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| 47 | { addItem(new QGraphicsEllipseItem(QRect(10, 10, 30, 30))); } | 
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| 48 |  | 
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| 49 | void drawItems(QPainter *painter, int numItems, QGraphicsItem *items[], | 
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| 50 | const QStyleOptionGraphicsItem options[], | 
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| 51 | QWidget *widget = 0); | 
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| 52 | }; | 
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| 53 |  | 
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| 54 | //! [0] | 
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| 55 | void CustomScene::drawItems(QPainter *painter, int numItems, | 
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| 56 | QGraphicsItem *items[], | 
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| 57 | const QStyleOptionGraphicsItem options[], | 
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| 58 | QWidget *widget) | 
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| 59 | { | 
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| 60 | for (int i = 0; i < numItems; ++i) { | 
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| 61 | // Draw the item | 
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| 62 | painter->save(); | 
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| 63 | painter->setMatrix(items[i]->sceneMatrix(), true); | 
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| 64 | items[i]->paint(painter, &options[i], widget); | 
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| 65 | painter->restore(); | 
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| 66 | } | 
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| 67 | } | 
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| 68 | //! [0] | 
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| 69 |  | 
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| 70 | int main(int argv, char **args) | 
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| 71 | { | 
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| 72 | QApplication app(argv, args); | 
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| 73 |  | 
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| 74 | CustomScene scene; | 
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| 75 | QGraphicsView view(&scene); | 
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| 76 |  | 
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| 77 | view.show(); | 
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| 78 |  | 
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| 79 | return app.exec(); | 
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| 80 | } | 
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